<template>
<div id="app">
    <el-radio-group v-model="direction">
      <el-radio label="ltr">left to right</el-radio>
      <el-radio label="rtl">right to left</el-radio>
      <el-radio label="ttb">top to bottom</el-radio>
      <el-radio label="btt">bottom to top</el-radio>
    </el-radio-group>
  
    <el-button type="primary" style="margin-left: 16px" @click="drawer = true">
      open
    </el-button>
    <el-button type="primary" style="margin-left: 16px" @click="drawer2 = true">
      with footer
    </el-button>
  
    <el-drawer
      v-model="drawer"
      title="I am the title"
      :direction="direction"
      :before-close="handleClose"
    >
      <span>Hi, there!</span>
    </el-drawer>
    <el-drawer v-model="drawer2" :direction="direction">
      <template #header>
        <h4>set title by slot</h4>
      </template>
      <template #default>
        <div>
          <el-radio v-model="radio1" label="Option 1" size="large"
            >Option 1</el-radio
          >
          <el-radio v-model="radio1" label="Option 2" size="large"
            >Option 2</el-radio
          >
        </div>
      </template>
      <template #footer>
        <div style="flex: auto">
          <el-button @click="cancelClick">cancel</el-button>
          <el-button type="primary" @click="confirmClick">confirm</el-button>
        </div>
      </template>
    </el-drawer>
    <el-tree
    :props="props"
    :load="loadNode"
    lazy
    show-checkbox
    @check-change="handleCheckChange"
  />
</div>
  </template>
  
  <script  setup>
  import { ref } from 'vue'
  import { ElMessageBox } from 'element-plus'
  
  const drawer = ref(false)
  const drawer2 = ref(false)
  const direction = ref('rtl')
  const radio1 = ref('Option 1')
  const handleClose = () => {
    ElMessageBox.confirm('Are you sure you want to close this?')
      .then(() => {
        done()
      })
      .catch(() => {
        // catch error
      })
  }
  function cancelClick() {
    drawer2.value = false
  }
  function confirmClick() {
    ElMessageBox.confirm(`Are you confirm to chose ${radio1.value} ?`)
      .then(() => {
        drawer2.value = false
      })
      .catch(() => {
        // catch error
      })
  }
  </script>
  